ICSE Class 10 Chemistry Question 6 of 23

Solved Sample Paper 3 — Question 18

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18
Question

Question 2(iii)

Complete the following by choosing the correct answer from the bracket.

(a) Alkenes differ from alkanes due to the presence of ............... (double/single) bonds.

(b) Down the group, ionisation potential ............... (increases /decreases).

(c) By dissolving aluminium oxide in cryolite a ............... (conducting/non-conducting) solution is produced.

(d) The catalyst used for conversion of ethene to ethane is commonly ............... (iron/nickel).

(e) The gas released when sodium carbonate is added to a solution of sulphur dioxide is ............... (CO2/SO3)

Answer

(a) Alkenes differ from alkanes due to the presence of double bonds.

(b) Down the group, ionisation potential decreases.

(c) By dissolving aluminium oxide in cryolite a conducting solution is produced.

(d) The catalyst used for conversion of ethene to ethane is commonly nickel.

(e) The gas released when sodium carbonate is added to a solution of sulphur dioxide is CO2.